Waveshare ESP32-S3 1.75-Inch AMOLED Round Touch Display Dev Board
Waveshare ESP32-S3 1.75-Inch AMOLED Round Touch Display Dev Board - Image 2
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Waveshare ESP32-S3 1.75-Inch AMOLED Round Touch Display Dev Board - Image 5
SKU: IOWC-1052
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Waveshare ESP32-S3 1.75-Inch AMOLED Round Touch Display Dev Board

₹4,199.00 (Inclusive of all taxes)
Out of Stock

This Waveshare development board integrates a 1.75-inch round AMOLED touch display (466×466) with a dual-core ESP32-S3 processor, supporting Wi-Fi, Bluetooth 5, and AI voice via its dual digital microphone array. It’s designed for Arduino IDE, ESP-IDF, or MicroPython development of wearables, smart HMIs, and interactive IoT control panels.

Features

  • High-Resolution Round AMOLED: Features a 1.75-inch, 466×466 pixel AMOLED display with capacitive touch for crisp visuals and intuitive user interfaces.
  • Powerful ESP32-S3 Core: Driven by a dual-core Xtensa LX7 processor clocked at 240 MHz, with 8MB QSPI flash, 512KB SRAM, and integrated Wi-Fi & Bluetooth 5.
  • AI Voice & Audio Ready: Includes an onboard dual digital microphone array, enabling voice wake-up, speech recognition, and AI audio applications.
  • Versatile Connectivity & Expansion: Offers USB Type-C for power/programming, a QSPI interface for fast display communication, and an optional GPS (LC76G) variant for location tracking.
  • Compact & Prototype-Friendly: Measures just 45x45mm, includes an external speaker, and is compatible with popular frameworks like Arduino and ESP-IDF for rapid development.

Out of stock

Description

The Waveshare ESP32-S3 1.75-inch AMOLED Round Touch Display Development Board merges a high-quality circular AMOLED screen with the robust wireless and processing capabilities of the ESP32-S3. The board is engineered for advanced IoT and human-machine interface projects where a compact, visually striking, and interactive display is required. Its integrated CO5300 display driver and CST9217 capacitive touch controller ensure smooth graphics rendering and responsive touch input.

Powered by the dual-core LX7 processor running at up to 240 MHz, the board handles complex graphical user interfaces and wireless communication tasks efficiently. The inclusion of a dual digital microphone array opens the door to embedded AI voice recognition and audio processing, making it suitable for smart home control panels, wearable devices, and voice-interactive systems. With support for 802.11 Wi-Fi and Bluetooth 5, it can serve as a central hub or a remote node in wireless networks.

Key Features

  • High-resolution 1.75-inch round AMOLED display with 466x466 pixels for sharp, vibrant visuals.
  • Capacitive touch interface powered by a dedicated CST9217 controller for smooth, multi-point interaction.
  • Dual-core ESP32-S3 LX7 processor (240 MHz) with 8MB QSPI flash and 512KB SRAM for demanding applications.
  • Integrated dual digital microphone array enabling AI speech recognition and voice command functionality.
  • Fast QSPI interface and CO5300 display driver for accelerated graphics rendering and reduced CPU load.
  • Dual-band Wi-Fi (802.11 b/g/n) and Bluetooth 5 (BLE) support for wireless connectivity and mesh networking.
  • Optional variant includes an LC76G GNSS module for precise GPS, GLONASS, BeiDou, and Galileo positioning.
  • USB Type-C connector for streamlined power delivery, programming, and serial communication.

Applications

  • Smart Wearables & Fitness Trackers: Create compact, stylish wrist-worn devices with vivid round displays.
  • Interactive Home Control Panels: Develop wall-mounted or portable smart home hubs with touch and voice control.
  • Industrial HMI & Dashboards: Build intuitive operator interfaces for monitoring and controlling machinery.
  • AI Voice Assistant Devices: Prototype voice-activated smart speakers or interactive kiosks using the onboard mic array.
  • Portable IoT Data Monitors: Design handheld instruments for visualizing sensor data (temperature, humidity, GPS location).

Technical Specifications

Microcontroller/SoCESP32-S3 (Xtensa LX7 Dual-core)
Wireless ProtocolsWi-Fi 802.11 b/g/n, Bluetooth 5 (BLE)
Display1.75-inch Round AMOLED, 466x466 resolution
Touch ControllerCapacitive (CST9217)
Display DriverCO5300
Audio InputDual Digital Microphone Array
Flash Memory8MB QSPI Flash
SRAM512KB
ROM384KB
Clock FrequencyUp to 240 MHz
Supply Voltage5V (via USB Type-C)
Operating Current100–250 mA
InterfacesUSB Type-C, QSPI, GPIO, I2C, I2S, UART
Optional ModuleLC76G GNSS (GPS/GLONASS/BeiDou/Galileo)
Operating Temperature-20°C to 70°C
Dimensions45 mm x 45 mm
Weight18 g

Frequently Asked Questions

How do I program the Waveshare ESP32-S3 AMOLED board?

You can program it using the Arduino IDE with the ESP32 board package installed, Espressif's official ESP-IDF framework, or MicroPython. Connect the board via the provided USB Type-C cable, select the correct COM port and board target (e.g., ESP32-S3 Dev Module), and upload your code. The display typically requires specific library initialization for the CO5300 driver and CST9217 touch controller.

What is the power requirement and typical operating current?

The board is powered via the USB Type-C port at 5V. The operating current ranges from approximately 100 mA to 250 mA, depending on CPU load, display brightness, and wireless radio activity. For battery-powered projects, utilize the ESP32-S3's deep sleep modes, which drastically reduce current consumption to microamp levels when the display and peripherals are disabled.

Does the board support the optional GPS module, and how is it enabled?

Yes, a variant of this board includes a soldered LC76G multi-GNSS module. If you have that version, the GPS communicates via a UART interface (specific GPIO pins). You need to initialize the serial port at the correct baud rate (typically 9600 or 115200) and parse NMEA sentences in your firmware. Ensure your code configures the necessary power enable pin for the GNSS module if it's controlled by the ESP32-S3.

How do I use the onboard dual digital microphone array?

The microphones are connected to the ESP32-S3's I2S peripheral. To use them for audio input or AI speech recognition, you must configure the I2S driver in your ESP-IDF or Arduino project to operate in master receive mode with the correct sampling rate, bit depth, and channel format. For advanced features like voice wake-word detection, leverage Espressif's ESP-SR (Speech Recognition) library or other edge AI frameworks compatible with the ESP32-S3.

Package Includes

  • 1 x Waveshare ESP32-S3 1.75-inch AMOLED Round Touch Display Development Board
  • 1 x External Speaker

Additional Information

Weight 0.018 kg
Dimensions 4.5 × 4.5 cm

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